<template>
  <div>
    <el-dialog :title="form._id ? '编辑' : '新增'" :visible.sync="dialogFormVisible" width="400px">
      <el-form :model="form" ref="form" :rules="rules" label-width="100px">
        <el-form-item label="图片" prop="img">
          <upload
            action="/upload"
            :cicle="false"
            :width="300"
            :height="300"
            :on-success="onSuccess">
            <img style="max-width: 100%; max-height: 100%;" v-if="form.img" :src="form.img" />
            <div v-else style="border:1px dashed #e4e4e4;width:100px;height:100px;line-height:100px;text-align:center;"><i class="el-icon-plus avatar-uploader-icon"></i></div>
          </upload>
          <!-- <div class="image" @click="openFile">
            <img style="max-width: 100%; max-height: 100%;" v-if="form.img" :src="form.img" />
            <span v-else>+</span>
          </div>
          <input style="display:none" ref="file" multiple accept="image/*" type="file" @change="changeFile"> -->
        </el-form-item>
        <el-form-item label="标题" prop="title">
          <el-input type="text" v-model="form.title"></el-input>
        </el-form-item>
        <el-form-item label="跳转地址" prop="url">
          <el-input type="text" v-model="form.url"></el-input>
        </el-form-item>
        <el-form-item label="类型" prop="type">
          <el-select v-model="form.type" placeholder="请选择">
            <el-option
              v-for="type in types"
              :key="type.value"
              :label="type.label"
              :value="type.value"
            >
            </el-option>
          </el-select>
        </el-form-item>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false">取 消</el-button>
        <el-button type="primary" @click="sumbmit">确 定</el-button>
      </div>
    </el-dialog>

  </div>
</template>


<script>
import api from '@/api'
import Upload from '../../components/Upload.vue';
export default{
  name: "shouyeCategoryEdit",
  components: {Upload},
  beforeRouteEnter(to, from, next) {
    console.log('离开当前页面')
    next()
  },
  data() {
    return {
      dialogFormVisible: false,
      form: {
        _id: 0,
        img: '',
        title: '',
        url: '',
        type: 'category'
      },
      rules: {
        img: [
          { required: true, message: "图片不能为空", trigger: "blur" },
        ],
        title: [
          { required: true, message: "标题不能为空", trigger: "blur" },
        ],
      },
      types: [
        {label:'轮播图', value:'banner'},
        {label:'分页区', value:'category'},
        {label:'为你推荐', value:'recommend'},
      ],
      dialogImageUrl: '',
      dialogVisible: false,
      disabled: false
    };
  },
  methods: {
    //新增
    add() {
      //初始化
      this.form = {
        _id: 0,
        img: '',
        title: '',
        url: '',
        type: 'category'
      }
      this.dialogFormVisible = true;
    },
    //修改
    edit(row){
      this.form = row
      this.dialogFormVisible = true;
    },
    // openFile(){
    //   let fileElement = this.$refs.file
    //   fileElement.click()
    // },
    // //图片上传
    // changeFile(e) {
    //   let files = e.target.files;
    //   let formData = new FormData();
    //   formData.append("file", files[0]);

    //   this.$http({
    //     url: '/upload',
    //     method: 'POST',
    //     data: formData
    //   }).then((res) => {
    //     console.log(res)
    //     if(res.filename) this.form.img = api.baseURL + '/uploads/' + res.filename
    //   })
    // },
    onSuccess(res){
      //拼装图片路径赋值给表单
      if(res.filename) this.form.img = api.baseURL + '/uploads/' + res.filename
    },
    sumbmit() {
      this.$refs.form.validate((valid) => {
        if (valid) {
          this.form.indexId = this.form._id
          this.$http({
            url: '/admin/index',
            method:this.form.indexId ? 'PUT' : 'POST',//通过indexId判断是新增还是修改
            data: this.form,
          }).then((res) => {
            if (!res.errorMsg) {
              this.dialogFormVisible = false;
              this.$emit('load')
              this.getList(this.form.indexId ? undefined : 1);
            }
          })
        }
      });
    },
  },
  created() {
    
  },
  mounted() {},
};
</script>

<style>
.image{
  width: 100px;
  height: 100px;
  border: 1px dashed #ccc;
  text-align: center;
  line-height: 100px;
  font-size: 32px;
  overflow: hidden;
}
</style>